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diff --git a/lib/tools/emacs/erlang-skels.el b/lib/tools/emacs/erlang-skels.el new file mode 100644 index 0000000000..cbcc459b71 --- /dev/null +++ b/lib/tools/emacs/erlang-skels.el @@ -0,0 +1,1263 @@ +;; +;; %CopyrightBegin% +;; +;; Copyright Ericsson AB 2010. All Rights Reserved. +;; +;; The contents of this file are subject to the Erlang Public License, +;; Version 1.1, (the "License"); you may not use this file except in +;; compliance with the License. You should have received a copy of the +;; Erlang Public License along with this software. If not, it can be +;; retrieved online at http://www.erlang.org/. +;; +;; Software distributed under the License is distributed on an "AS IS" +;; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +;; the License for the specific language governing rights and limitations +;; under the License. +;; +;; %CopyrightEnd% +;;; +;;; Purpose: Provide Erlang code skeletons. +;;; +;;; Author: Anders Lindgren + +(defvar erlang-tempo-tags nil + "Tempo tags for erlang mode") + +(defvar erlang-skel + '(("If" "if" erlang-skel-if) + ("Case" "case" erlang-skel-case) + ("Receive" "receive" erlang-skel-receive) + ("Receive After" "after" erlang-skel-receive-after) + ("Receive Loop" "loop" erlang-skel-receive-loop) + ("Module" "module" erlang-skel-module) + ("Author" "author" erlang-skel-author) + ("Function" "function" erlang-skel-function) + () + ("Small Header" "small-header" + erlang-skel-small-header erlang-skel-header) + ("Normal Header" "normal-header" + erlang-skel-normal-header erlang-skel-header) + ("Large Header" "large-header" + erlang-skel-large-header erlang-skel-header) + () + ("Small Server" "small-server" + erlang-skel-small-server erlang-skel-header) + () + ("Application" "application" + erlang-skel-application erlang-skel-header) + ("Supervisor" "supervisor" + erlang-skel-supervisor erlang-skel-header) + ("supervisor_bridge" "supervisor-bridge" + erlang-skel-supervisor-bridge erlang-skel-header) + ("gen_server" "generic-server" + erlang-skel-generic-server erlang-skel-header) + ("gen_event" "gen-event" + erlang-skel-gen-event erlang-skel-header) + ("gen_fsm" "gen-fsm" + erlang-skel-gen-fsm erlang-skel-header) + ("Library module" "gen-lib" + erlang-skel-lib erlang-skel-header) + ("Corba callback" "gen-corba-cb" + erlang-skel-corba-callback erlang-skel-header) + ("Erlang test suite TS frontend" "ts-test-suite" + erlang-skel-ts-test-suite erlang-skel-header) + ("Erlang test suite CT frontend" "ct-test-suite" + erlang-skel-ct-test-suite erlang-skel-header) + ) + "*Description of all skeleton templates. +Both functions and menu entries will be created. + +Each entry in `erlang-skel' should be a list with three or four +elements, or the empty list. + +The first element is the name which shows up in the menu. The second +is the `tempo' identifier (The string \"erlang-\" will be added in +front of it). The third is the skeleton descriptor, a variable +containing `tempo' attributes as described in the function +`tempo-define-template'. The optional fourth elements denotes a +function which should be called when the menu is selected. + +Functions corresponding to every template will be created. The name +of the function will be `tempo-template-erlang-X' where `X' is the +tempo identifier as specified in the second argument of the elements +in this list. + +A list with zero elements means that the a horizontal line should +be placed in the menu.") + +(defvar erlang-skel-use-separators t + "A boolean than determines whether the skeletons include horizontal +separators. + +Should this variable be nil, the documentation for functions will not +include separators of the form %%--...") + +;; In XEmacs `user-mail-address' returns "[email protected] (Foo Bar)" ARGH! +;; What's wrong with that? RFC 822 says it's legal. [sverkerw] +;; This needs to use the customized value. If that's not sane, things like +;; add-log will lose anyhow. Avoid it if there _is_ a paren. +(defvar erlang-skel-mail-address + (if (or (not user-mail-address) (string-match "(" user-mail-address)) + (concat (user-login-name) "@" + (or (and (boundp 'mail-host-address) + mail-host-address) + (system-name))) + user-mail-address) + "Mail address of the user.") + +;; Expression templates: +(defvar erlang-skel-case + '((erlang-skel-skip-blank) o > + "case " p " of" n> p "_ ->" n> p "ok" n> "end" p) + "*The skeleton of a `case' expression. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-if + '((erlang-skel-skip-blank) o > + "if" n> p " ->" n> p "ok" n> "end" p) + "The skeleton of an `if' expression. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-receive + '((erlang-skel-skip-blank) o > + "receive" n> p "_ ->" n> p "ok" n> "end" p) + "*The skeleton of a `receive' expression. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-receive-after + '((erlang-skel-skip-blank) o > + "receive" n> p "_ ->" n> p "ok" n> "after " p "T ->" n> + p "ok" n> "end" p) + "*The skeleton of a `receive' expression with an `after' clause. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-receive-loop + '(& o "loop(" p ") ->" n> "receive" n> p "_ ->" n> + "loop(" p ")" n> "end.") + "*The skeleton of a simple `receive' loop. +Please see the function `tempo-define-template'.") + + +(defvar erlang-skel-function + '((erlang-skel-separator-start 2) + "%% @doc" n + "%% @spec" n + (erlang-skel-separator-end 2)) + "*The template of a function skeleton. +Please see the function `tempo-define-template'.") + + +;; Attribute templates + +(defvar erlang-skel-module + '(& "-module(" + (erlang-add-quotes-if-needed (erlang-get-module-from-file-name)) + ")." n) + "*The skeleton of a `module' attribute. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-author + '(& "-author('" erlang-skel-mail-address "')." n) + "*The skeleton of a `author' attribute. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-vc nil + "*The skeleton template to generate a version control attribute. +The default is to insert nothing. Example of usage: + + (setq erlang-skel-vc '(& \"-rcs(\\\"$\Id: $ \\\").\") n) + +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-export + '(& "-export([" n> "])." n) + "*The skeleton of an `export' attribute. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-import + '(& "%%-import(Module, [Function/Arity, ...])." n) + "*The skeleton of an `import' attribute. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-compile nil + ;; '(& "%%-compile(export_all)." n) + "*The skeleton of a `compile' attribute. +Please see the function `tempo-define-template'.") + + +;; Comment templates. + +(defvar erlang-skel-date-function 'erlang-skel-dd-mmm-yyyy + "*Function which returns date string. +Look in the module `time-stamp' for a battery of functions.") + +(defvar erlang-skel-copyright-comment + (if (boundp '*copyright-organization*) + '(& "%%% @copyright (C) " (format-time-string "%Y") ", " + *copyright-organization* n) + '(& "%%% @copyright (C) " (format-time-string "%Y") ", " + (user-full-name) n)) + "*The template for a copyright line in the header, normally empty. +This variable should be bound to a `tempo' template, for example: + '(& \"%%% Copyright (C) 2000, Yoyodyne, Inc.\" n) +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-created-comment + '(& "%%% Created : " (funcall erlang-skel-date-function) " by " + (user-full-name) " <" erlang-skel-mail-address ">" n) + "*The template for the \"Created:\" comment line.") + +(defvar erlang-skel-author-comment + '(& "%%% @author " (user-full-name) " <" erlang-skel-mail-address ">" n) + "*The template for creating the \"Author:\" line in the header. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-small-header + '(o (erlang-skel-include erlang-skel-module) + n + (erlang-skel-include erlang-skel-compile erlang-skel-vc)) + "*The template of a small header without any comments. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-normal-header + '(o (erlang-skel-include erlang-skel-author-comment) + (erlang-skel-include erlang-skel-copyright-comment) + "%%% @doc" n + "%%%" p n + "%%% @end" n + (erlang-skel-include erlang-skel-created-comment) n + (erlang-skel-include erlang-skel-small-header) n) + "*The template of a normal header. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-large-header + '(o (erlang-skel-separator) + (erlang-skel-include erlang-skel-author-comment) + (erlang-skel-include erlang-skel-copyright-comment) + "%%% @doc" n + "%%%" p n + "%%% @end" n + (erlang-skel-include erlang-skel-created-comment) + (erlang-skel-separator) + (erlang-skel-include erlang-skel-small-header) ) + "*The template of a large header. +Please see the function `tempo-define-template'.") + + + ;; Server templates. +(defvar erlang-skel-small-server + '((erlang-skel-include erlang-skel-large-header) + "-export([start/0, init/1])." n n n + "start() ->" n> "spawn(" (erlang-get-module-from-file-name) + ", init, [self()])." n n + "init(From) ->" n> + "loop(From)." n n + "loop(From) ->" n> + "receive" n> + p "_ ->" n> + "loop(From)" n> + "end." n + ) + "*Template of a small server. +Please see the function `tempo-define-template'.") + +;; Behaviour templates. +(defvar erlang-skel-application + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(application)." n n + "%% Application callbacks" n + "-export([start/2, stop/1])." n n + (erlang-skel-double-separator-start 3) + "%%% Application callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called whenever an application is started using" n + "%% application:start/[1,2], and should start the processes of the" n + "%% application. If the application is structured according to the OTP" n + "%% design principles as a supervision tree, this means starting the" n + "%% top supervisor of the tree." n + "%%" n + "%% @spec start(StartType, StartArgs) -> {ok, Pid} |" n + "%% {ok, Pid, State} |" n + "%% {error, Reason}" n + "%% StartType = normal | {takeover, Node} | {failover, Node}" n + "%% StartArgs = term()" n + (erlang-skel-separator-end 2) + "start(_StartType, _StartArgs) ->" n> + "case 'TopSupervisor':start_link() of" n> + "{ok, Pid} ->" n> + "{ok, Pid};" n> + "Error ->" n> + "Error" n> + "end." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called whenever an application has stopped. It" n + "%% is intended to be the opposite of Module:start/2 and should do" n + "%% any necessary cleaning up. The return value is ignored." n + "%%" n + "%% @spec stop(State) -> void()" n + (erlang-skel-separator-end 2) + "stop(_State) ->" n> + "ok." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of an application behaviour. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-supervisor + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(supervisor)." n n + + "%% API" n + "-export([start_link/0])." n n + + "%% Supervisor callbacks" n + "-export([init/1])." n n + + "-define(SERVER, ?MODULE)." n n + + (erlang-skel-double-separator-start 3) + "%%% API functions" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Starts the supervisor" n + "%%" n + "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "supervisor:start_link({local, ?SERVER}, ?MODULE, [])." n + n + (erlang-skel-double-separator-start 3) + "%%% Supervisor callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever a supervisor is started using supervisor:start_link/[2,3]," n + "%% this function is called by the new process to find out about" n + "%% restart strategy, maximum restart frequency and child" n + "%% specifications." n + "%%" n + "%% @spec init(Args) -> {ok, {SupFlags, [ChildSpec]}} |" n + "%% ignore |" n + "%% {error, Reason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "RestartStrategy = one_for_one," n> + "MaxRestarts = 1000," n> + "MaxSecondsBetweenRestarts = 3600," n + "" n> + "SupFlags = {RestartStrategy, MaxRestarts, MaxSecondsBetweenRestarts}," n + "" n> + "Restart = permanent," n> + "Shutdown = 2000," n> + "Type = worker," n + "" n> + "AChild = {'AName', {'AModule', start_link, []}," n> + "Restart, Shutdown, Type, ['AModule']}," n + "" n> + "{ok, {SupFlags, [AChild]}}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of an supervisor behaviour. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-supervisor-bridge + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(supervisor_bridge)." n n + + "%% API" n + "-export([start_link/0])." n n + + "%% supervisor_bridge callbacks" n + "-export([init/1, terminate/2])." n n + + "-define(SERVER, ?MODULE)." n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% API" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Starts the supervisor bridge" n + "%%" n + "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "supervisor_bridge:start_link({local, ?SERVER}, ?MODULE, [])." n + n + (erlang-skel-double-separator-start 3) + "%%% supervisor_bridge callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Creates a supervisor_bridge process, linked to the calling process," n + "%% which calls Module:init/1 to start the subsystem. To ensure a" n + "%% synchronized start-up procedure, this function does not return" n + "%% until Module:init/1 has returned." n + "%%" n + "%% @spec init(Args) -> {ok, Pid, State} |" n + "%% ignore |" n + "%% {error, Reason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "case 'AModule':start_link() of" n> + "{ok, Pid} ->" n> + "{ok, Pid, #state{}};" n> + "Error ->" n> + "Error" n> + "end." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called by the supervisor_bridge when it is about" n + "%% to terminate. It should be the opposite of Module:init/1 and stop" n + "%% the subsystem and do any necessary cleaning up.The return value is" n + "%% ignored." n + "%%" n + "%% @spec terminate(Reason, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(Reason, State) ->" n> + "'AModule':stop()," n> + "ok." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of an supervisor_bridge behaviour. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-generic-server + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(gen_server)." n n + + "%% API" n + "-export([start_link/0])." n n + + "%% gen_server callbacks" n + "-export([init/1, handle_call/3, handle_cast/2, " + "handle_info/2," n> + "terminate/2, code_change/3])." n n + + "-define(SERVER, ?MODULE). " n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% API" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Starts the server" n + "%%" n + "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "gen_server:start_link({local, ?SERVER}, ?MODULE, [], [])." n + n + (erlang-skel-double-separator-start 3) + "%%% gen_server callbacks" n + (erlang-skel-double-separator-end 3) + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Initiates the server" n + "%%" n + "%% @spec init(Args) -> {ok, State} |" n + "%% {ok, State, Timeout} |" n + "%% ignore |" n + "%% {stop, Reason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "{ok, #state{}}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling call messages" n + "%%" n + "%% @spec handle_call(Request, From, State) ->" n + "%% {reply, Reply, State} |" n + "%% {reply, Reply, State, Timeout} |" n + "%% {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, Reply, State} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_call(_Request, _From, State) ->" n> + "Reply = ok," n> + "{reply, Reply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling cast messages" n + "%%" n + "%% @spec handle_cast(Msg, State) -> {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_cast(_Msg, State) ->" n> + "{noreply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Handling all non call/cast messages" n + "%%" n + "%% @spec handle_info(Info, State) -> {noreply, State} |" n + "%% {noreply, State, Timeout} |" n + "%% {stop, Reason, State}" n + (erlang-skel-separator-end 2) + "handle_info(_Info, State) ->" n> + "{noreply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called by a gen_server when it is about to" n + "%% terminate. It should be the opposite of Module:init/1 and do any" n + "%% necessary cleaning up. When it returns, the gen_server terminates" n + "%% with Reason. The return value is ignored." n + "%%" n + "%% @spec terminate(Reason, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(_Reason, _State) ->" n> + "ok." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Convert process state when code is changed" n + "%%" n + "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n + (erlang-skel-separator-end 2) + "code_change(_OldVsn, State, _Extra) ->" n> + "{ok, State}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a generic server. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-gen-event + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(gen_event)." n n + + "%% API" n + "-export([start_link/0, add_handler/0])." n n + + "%% gen_event callbacks" n + "-export([init/1, handle_event/2, handle_call/2, " n> + "handle_info/2, terminate/2, code_change/3])." n n + + "-define(SERVER, ?MODULE). " n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% gen_event callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Creates an event manager" n + "%%" n + "%% @spec start_link() -> {ok, Pid} | {error, Error}" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "gen_event:start_link({local, ?SERVER})." n + n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Adds an event handler" n + "%%" n + "%% @spec add_handler() -> ok | {'EXIT', Reason} | term()" n + (erlang-skel-separator-end 2) + "add_handler() ->" n> + "gen_event:add_handler(?SERVER, ?MODULE, [])." n + n + (erlang-skel-double-separator-start 3) + "%%% gen_event callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever a new event handler is added to an event manager," n + "%% this function is called to initialize the event handler." n + "%%" n + "%% @spec init(Args) -> {ok, State}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "{ok, #state{}}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever an event manager receives an event sent using" n + "%% gen_event:notify/2 or gen_event:sync_notify/2, this function is" n + "%% called for each installed event handler to handle the event." n + "%%" n + "%% @spec handle_event(Event, State) ->" n + "%% {ok, State} |" n + "%% {swap_handler, Args1, State1, Mod2, Args2} |"n + "%% remove_handler" n + (erlang-skel-separator-end 2) + "handle_event(_Event, State) ->" n> + "{ok, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever an event manager receives a request sent using" n + "%% gen_event:call/3,4, this function is called for the specified" n + "%% event handler to handle the request." n + "%%" n + "%% @spec handle_call(Request, State) ->" n + "%% {ok, Reply, State} |" n + "%% {swap_handler, Reply, Args1, State1, Mod2, Args2} |" n + "%% {remove_handler, Reply}" n + (erlang-skel-separator-end 2) + "handle_call(_Request, State) ->" n> + "Reply = ok," n> + "{ok, Reply, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called for each installed event handler when" n + "%% an event manager receives any other message than an event or a" n + "%% synchronous request (or a system message)." n + "%%" n + "%% @spec handle_info(Info, State) ->" n + "%% {ok, State} |" n + "%% {swap_handler, Args1, State1, Mod2, Args2} |" n + "%% remove_handler" n + (erlang-skel-separator-end 2) + "handle_info(_Info, State) ->" n> + "{ok, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever an event handler is deleted from an event manager, this" n + "%% function is called. It should be the opposite of Module:init/1 and" n + "%% do any necessary cleaning up." n + "%%" n + "%% @spec terminate(Reason, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(_Reason, _State) ->" n> + "ok." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Convert process state when code is changed" n + "%%" n + "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n + (erlang-skel-separator-end 2) + "code_change(_OldVsn, State, _Extra) ->" n> + "{ok, State}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a gen_event. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-gen-fsm + '((erlang-skel-include erlang-skel-large-header) + "-behaviour(gen_fsm)." n n + + "%% API" n + "-export([start_link/0])." n n + + "%% gen_fsm callbacks" n + "-export([init/1, state_name/2, state_name/3, handle_event/3," n> + "handle_sync_event/4, handle_info/3, terminate/3, code_change/4])." n n + + "-define(SERVER, ?MODULE)." n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% API" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Creates a gen_fsm process which calls Module:init/1 to" n + "%% initialize. To ensure a synchronized start-up procedure, this" n + "%% function does not return until Module:init/1 has returned." n + "%%" n + "%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}" n + (erlang-skel-separator-end 2) + "start_link() ->" n> + "gen_fsm:start_link({local, ?SERVER}, ?MODULE, [], [])." n + n + (erlang-skel-double-separator-start 3) + "%%% gen_fsm callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever a gen_fsm is started using gen_fsm:start/[3,4] or" n + "%% gen_fsm:start_link/[3,4], this function is called by the new" n + "%% process to initialize." n + "%%" n + "%% @spec init(Args) -> {ok, StateName, State} |" n + "%% {ok, StateName, State, Timeout} |" n + "%% ignore |" n + "%% {stop, StopReason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "{ok, state_name, #state{}}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% There should be one instance of this function for each possible" n + "%% state name. Whenever a gen_fsm receives an event sent using" n + "%% gen_fsm:send_event/2, the instance of this function with the same" n + "%% name as the current state name StateName is called to handle" n + "%% the event. It is also called if a timeout occurs." n + "%%" n + "%% @spec state_name(Event, State) ->" n + "%% {next_state, NextStateName, NextState} |" n + "%% {next_state, NextStateName, NextState, Timeout} |" n + "%% {stop, Reason, NewState}" n + (erlang-skel-separator-end 2) + "state_name(_Event, State) ->" n> + "{next_state, state_name, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% There should be one instance of this function for each possible" n + "%% state name. Whenever a gen_fsm receives an event sent using" n + "%% gen_fsm:sync_send_event/[2,3], the instance of this function with" n + "%% the same name as the current state name StateName is called to" n + "%% handle the event." n + "%%" n + "%% @spec state_name(Event, From, State) ->" n + "%% {next_state, NextStateName, NextState} |"n + "%% {next_state, NextStateName, NextState, Timeout} |" n + "%% {reply, Reply, NextStateName, NextState} |" n + "%% {reply, Reply, NextStateName, NextState, Timeout} |" n + "%% {stop, Reason, NewState} |" n + "%% {stop, Reason, Reply, NewState}" n + (erlang-skel-separator-end 2) + "state_name(_Event, _From, State) ->" n> + "Reply = ok," n> + "{reply, Reply, state_name, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever a gen_fsm receives an event sent using" n + "%% gen_fsm:send_all_state_event/2, this function is called to handle" n + "%% the event." n + "%%" n + "%% @spec handle_event(Event, StateName, State) ->" n + "%% {next_state, NextStateName, NextState} |" n + "%% {next_state, NextStateName, NextState, Timeout} |" n + "%% {stop, Reason, NewState}" n + (erlang-skel-separator-end 2) + "handle_event(_Event, StateName, State) ->" n> + "{next_state, StateName, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Whenever a gen_fsm receives an event sent using" n + "%% gen_fsm:sync_send_all_state_event/[2,3], this function is called" n + "%% to handle the event." n + "%%" n + "%% @spec handle_sync_event(Event, From, StateName, State) ->" n + "%% {next_state, NextStateName, NextState} |" n + "%% {next_state, NextStateName, NextState, Timeout} |" n + "%% {reply, Reply, NextStateName, NextState} |" n + "%% {reply, Reply, NextStateName, NextState, Timeout} |" n + "%% {stop, Reason, NewState} |" n + "%% {stop, Reason, Reply, NewState}" n + (erlang-skel-separator-end 2) + "handle_sync_event(_Event, _From, StateName, State) ->" n> + "Reply = ok," n> + "{reply, Reply, StateName, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called by a gen_fsm when it receives any" n + "%% message other than a synchronous or asynchronous event" n + "%% (or a system message)." n + "%%" n + "%% @spec handle_info(Info,StateName,State)->" n + "%% {next_state, NextStateName, NextState} |" n + "%% {next_state, NextStateName, NextState, Timeout} |" n + "%% {stop, Reason, NewState}" n + (erlang-skel-separator-end 2) + "handle_info(_Info, StateName, State) ->" n> + "{next_state, StateName, State}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% This function is called by a gen_fsm when it is about to" n + "%% terminate. It should be the opposite of Module:init/1 and do any" n + "%% necessary cleaning up. When it returns, the gen_fsm terminates with" n + "%% Reason. The return value is ignored." n + "%%" n + "%% @spec terminate(Reason, StateName, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(_Reason, _StateName, _State) ->" n> + "ok." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Convert process state when code is changed" n + "%%" n + "%% @spec code_change(OldVsn, StateName, State, Extra) ->" n + "%% {ok, StateName, NewState}" n + (erlang-skel-separator-end 2) + "code_change(_OldVsn, StateName, State, _Extra) ->" n> + "{ok, StateName, State}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a gen_fsm. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-lib + '((erlang-skel-include erlang-skel-large-header) + + "%% API" n + "-export([])." n n + + (erlang-skel-double-separator-start 3) + "%%% API" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% @spec" n + (erlang-skel-separator-end 2) + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a library module. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-corba-callback + '((erlang-skel-include erlang-skel-large-header) + "%% Include files" n n + + "%% API" n + "-export([])." n n + + "%% Corba callbacks" n + "-export([init/1, terminate/2, code_change/3])." n n + + "-record(state, {})." n n + + (erlang-skel-double-separator-start 3) + "%%% Corba callbacks" n + (erlang-skel-double-separator-end 3) n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Initiates the server" n + "%%" n + "%% @spec init(Args) -> {ok, State} |" n + "%% {ok, State, Timeout} |" n + "%% ignore |" n + "%% {stop, Reason}" n + (erlang-skel-separator-end 2) + "init([]) ->" n> + "{ok, #state{}}." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Shutdown the server" n + "%%" n + "%% @spec terminate(Reason, State) -> void()" n + (erlang-skel-separator-end 2) + "terminate(_Reason, _State) ->" n> + "ok." n + n + (erlang-skel-separator-start 2) + "%% @private" n + "%% @doc" n + "%% Convert process state when code is changed" n + "%%" n + "%% @spec code_change(OldVsn, State, Extra) -> {ok, NewState}" n + (erlang-skel-separator-end 2) + "code_change(_OldVsn, State, _Extra) ->" n> + "{ok, State}." n + n + (erlang-skel-double-separator-start 3) + "%%% Internal functions" n + (erlang-skel-double-separator-end 3) + ) + "*The template of a library module. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-ts-test-suite + '((erlang-skel-include erlang-skel-large-header) + "%% Note: This directive should only be used in test suites." n + "-compile(export_all)." n n + + "-include(\"test_server.hrl\")." n n + + "%% Test server callback functions" n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Initiation before the whole suite" n + "%%" n + "%% Note: This function is free to add any key/value pairs to the Config" n + "%% variable, but should NOT alter/remove any existing entries." n + "%%" n + "%% @spec init_per_suite(Config) -> Config" n + (erlang-skel-separator-end 2) + "init_per_suite(Config) ->" n > + "Config." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Cleanup after the whole suite" n + "%%" n + "%% @spec end_per_suite(Config) -> _" n + (erlang-skel-separator-end 2) + "end_per_suite(_Config) ->" n > + "ok." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Case - atom()" n + "%% Name of the test case that is about to be run." n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Initiation before each test case" n + "%%" n + "%% Note: This function is free to add any key/value pairs to the Config" n + "%% variable, but should NOT alter/remove any existing entries." n + "%%" n + "%% @spec init_per_testcase(TestCase, Config) -> Config" n + (erlang-skel-separator-end 2) + "init_per_testcase(_TestCase, Config) ->" n > + "Config." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Case - atom()" n + "%% Name of the test case that is about to be run." n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Cleanup after each test case" n + "%%" n + "%% @spec end_per_testcase(TestCase, Config) -> _" n + (erlang-skel-separator-end 2) + "end_per_testcase(_TestCase, _Config) ->" n > + "ok."n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Clause - atom() - suite | doc" n + "%% TestCases - [Case]" n + "%% Case - atom()" n + "%% Name of a test case." n + "%%" n + "%% Returns a list of all test cases in this test suite" n + "%%" n + "%% @spec all(Clause) -> TestCases" n + (erlang-skel-separator-end 2) + "all(doc) ->" n > + "[\"Describe the main purpose of this suite\"];" n n + "all(suite) ->" n > + "[]." n n + + "%% Test cases starts here." n + (erlang-skel-separator-start 2) + "test_case(doc) ->" n > + "[\"Describe the main purpose of test case\"];" n n + "test_case(suite) ->" n > + "[];" n n + "test_case(Config) when is_list(Config) ->" n > + "ok." n + ) + "*The template of a library module. +Please see the function `tempo-define-template'.") + +(defvar erlang-skel-ct-test-suite + '((erlang-skel-include erlang-skel-large-header) + "-suite_defaults([{timetrap, {minutes, 10}}])." n n + + "%% Note: This directive should only be used in test suites." n + "-compile(export_all)." n n + + "-include(\"ct.hrl\")." n n + + "%% Test server callback functions" n + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Initiation before the whole suite" n + "%%" n + "%% Note: This function is free to add any key/value pairs to the Config" n + "%% variable, but should NOT alter/remove any existing entries." n + "%%" n + "%% @spec init_per_suite(Config) -> Config" n + (erlang-skel-separator-end 2) + "init_per_suite(Config) ->" n > + "Config." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Cleanup after the whole suite" n + "%%" n + "%% @spec end_per_suite(Config) -> _" n + (erlang-skel-separator-end 2) + "end_per_suite(_Config) ->" n > + "ok." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Case - atom()" n + "%% Name of the test case that is about to be run." n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Initiation before each test case" n + "%%" n + "%% Note: This function is free to add any key/value pairs to the Config" n + "%% variable, but should NOT alter/remove any existing entries." n + "%% Initiation before each test case" n + "%%" n + "%% @spec init_per_testcase(TestCase, Config) -> Config" n + (erlang-skel-separator-end 2) + "init_per_testcase(_TestCase, Config) ->" n > + "Config." n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% Case - atom()" n + "%% Name of the test case that is about to be run." n + "%% Config - [tuple()]" n + "%% A list of key/value pairs, holding the test case configuration." n + "%%" n + "%% Cleanup after each test case" n + "%%" n + "%% @spec end_per_testcase(TestCase, Config) -> _" n + (erlang-skel-separator-end 2) + "end_per_testcase(_TestCase, _Config) ->" n > + "ok."n n + + (erlang-skel-separator-start 2) + "%% @doc" n + "%% TestCases - [Case]" n + "%% Case - atom()" n + "%% Name of a test case." n + "%%" n + "%% Returns a list of all test cases in this test suite" n + "%%" n + "%% @spec all() -> TestCases" n + (erlang-skel-separator-end 2) + "all() ->" n > + "[]." n n + + "%% Test cases starts here." n + (erlang-skel-separator-start 2) + "test_case() ->" n > + "[{doc, \"Describe the main purpose of this test case\"}]." n n + "test_case(Config) when is_list(Config) ->" n > + "ok." n + ) + "*The template of a library module. +Please see the function `tempo-define-template'.") + +;; Skeleton code: + +;; This code is based on the package `tempo' which is part of modern +;; Emacsen. (GNU Emacs 19.25 (?) and XEmacs 19.14.) + +(defun erlang-skel-init () + "Generate the skeleton functions and menu items. +The variable `erlang-skel' contains the name and descriptions of +all skeletons. + +The skeleton routines are based on the `tempo' package. Should this +package not be present, this function does nothing." + (interactive) + (condition-case nil + (require 'tempo) + (error t)) + (if (featurep 'tempo) + (let ((skel erlang-skel) + (menu '())) + (while skel + (cond ((null (car skel)) + (setq menu (cons nil menu))) + (t + (funcall (symbol-function 'tempo-define-template) + (concat "erlang-" (nth 1 (car skel))) + ;; The tempo template used contains an `include' + ;; function call only, hence changes to the + ;; variables describing the templates take effect + ;; immdiately. + (list (list 'erlang-skel-include (nth 2 (car skel)))) + (nth 1 (car skel))) + (setq menu (cons (erlang-skel-make-menu-item + (car skel)) menu)))) + (setq skel (cdr skel))) + (setq erlang-menu-skel-items + (list nil (list "Skeletons" (nreverse menu)))) + (setq erlang-menu-items + (erlang-menu-add-above 'erlang-menu-skel-items + 'erlang-menu-version-items + erlang-menu-items)) + (erlang-menu-init)))) + +(defun erlang-skel-make-menu-item (skel) + (let ((func (intern (concat "tempo-template-erlang-" (nth 1 skel))))) + (cond ((null (nth 3 skel)) + (list (car skel) func)) + (t + (list (car skel) + (list 'lambda '() + '(interactive) + (list 'funcall + (list 'quote (nth 3 skel)) + (list 'quote func)))))))) + +;; Functions designed to be added to the skeleton menu. +;; (Not normally used) +(defun erlang-skel-insert (func) + "Insert skeleton generated by FUNC and goto first tempo mark." + (save-excursion (funcall func)) + (funcall (symbol-function 'tempo-forward-mark))) + +(defun erlang-skel-header (func) + "Insert the header generated by FUNC at the beginning of the buffer." + (goto-char (point-min)) + (save-excursion (funcall func)) + (funcall (symbol-function 'tempo-forward-mark))) + + +;; Functions used inside the skeleton descriptions. +(defun erlang-skel-skip-blank () + (skip-chars-backward " \t") + nil) + +(defun erlang-skel-include (&rest args) + "Include a template inside another template. + +Example of use, assuming that `erlang-skel-func' is defined: + + (defvar foo-skeleton '(\"%%% New function:\" + (erlang-skel-include erlang-skel-func))) + +Technically, this function returns the `tempo' attribute`(l ...)' which +can contain other `tempo' attributes. Please see the function +`tempo-define-template' for a description of the `(l ...)' attribute." + (let ((res '()) + entry) + (while args + (setq entry (car args)) + (while entry + (setq res (cons (car entry) res)) + (setq entry (cdr entry))) + (setq args (cdr args))) + (cons 'l (nreverse res)))) + +(defun erlang-skel-separator (&optional percent) + "Return a comment separator." + (let ((percent (or percent 3))) + (concat (make-string percent ?%) + (make-string (- 70 percent) ?-) + "\n"))) + +(defun erlang-skel-separator-start (&optional percent) + "Return a comment separator or an empty string if separators +are configured off." + (if erlang-skel-use-separators + (erlang-skel-separator percent) + "")) + +(defun erlang-skel-separator-end (&optional percent) + "Return a comment separator to end a function comment block or an +empty string if separators are configured off." + (if erlang-skel-use-separators + (concat "%% @end\n" (erlang-skel-separator percent)) + "")) + +(defun erlang-skel-double-separator (&optional percent) + "Return a double line (equals sign) comment separator." + (let ((percent (or percent 3))) + (concat (make-string percent ?%) + (make-string (- 70 percent) ?=) + "\n"))) + +(defun erlang-skel-double-separator-start (&optional percent) + "Return a double separator or a newline if separators are configured off." + (if erlang-skel-use-separators + (erlang-skel-double-separator percent) + "\n")) + +(defun erlang-skel-double-separator-end (&optional percent) + "Return a double separator or an empty string if separators are +configured off." + (if erlang-skel-use-separators + (erlang-skel-double-separator percent) + "")) + +(defun erlang-skel-dd-mmm-yyyy () + "Return the current date as a string in \"DD Mon YYYY\" form. +The first character of DD is space if the value is less than 10." + (let ((date (current-time-string))) + (format "%2d %s %s" + (string-to-int (substring date 8 10)) + (substring date 4 7) + (substring date -4)))) + +;; Local variables: +;; coding: iso-8859-1 +;; End: + +;;; erlang-skels.el ends here |